Found this article on The New York Times website. It talks about a Swiss neuorscientist who claims to have the answer to explain away the supernatural. He pretty much states that it may be all in our minds. Here is an excerpt:

So when scientists wrote in a recent issue of the journal Nature that they could induce phantom effects — the sensation of being haunted by a shadowy figure — by stimulating the brain with electricity, it made perfect neurological sense. One could even argue that the existence of such sensations explains away the so-called supernatural. In fact, as The Times reported, the researchers promptly concluded that ghosts are mere “bodily delusions,” electrical misfirings and nothing more.

Click here to read the rest of the article. If you have time, stop by my new renter, YouTube Karaoke.